Cooling device for laser cavity of oral therapeutic instrument

Abstract

The utility model provides a cooling device for a laser cavity of an oral cavity therapeutic instrument. The cooling device comprises a front internal supporting assembly, a rear internal supporting assembly, a quartz glass tube, a luminous crystal and a pumping flash lamp. The light-emitting crystal is fixedly arranged in the first fixing pipeline, and the pumping flash lamp is fixedly arranged in the second fixing pipeline. In the working process, cooling liquid can make full contact with the light-emitting crystal and the pumping flash lamp when flowing in the first fixing pipeline and the second fixing pipeline, and therefore the light-emitting crystal and the pumping flash lamp are cooled. On the basis of a first fixing pipeline and a second fixing pipeline 302, a front internal supporting assembly and a rear internal supporting assembly are adaptively modified, a liquid cooling pipeline is formed on an original structure in cooperation with a cooling liquid circulation connecting hole, a first external connecting pipe, a second external connecting pipe and the like, heat is continuously absorbed and taken away in a liquid circulation mode, and the heat dissipation efficiency is improved. And normal operation of the oral cavity therapeutic apparatus can be effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field relates to a laser generating device supporting structure, especially an oral cavity treatment appearance laser cavity cooling device. BACKGROUND

[0002] The laser oral cavity treatment appearance utilizes high energy laser beam to treat oral cavity tissue, generates laser through laser generating component, and the laser is transmitted to the light emitting tip through light transmission component, and after emission, laser can be used to cut, polish, sterilize and disinfect.

[0003] In the application field of oral cavity treatment appearance, laser generation needs to excite the working substance in the luminescent crystal through the pump flash lamp, so that the luminescent crystal is excited to radiate laser in multiple directions, and then the laser in each direction is collected through the total reflection light collecting layer and emitted from a single direction. In the above process, whether it is the pump flash lamp or the luminescent crystal, a large amount of heat will be generated. The heat is gathered in the narrow space inside the laser oral cavity treatment appearance, which will greatly affect the reliability and safety of the laser oral cavity treatment appearance.

[0004] In the prior art, in order to solve the heat dissipation problem of general electronic devices, the industry often uses passive cooling methods such as increasing the spacing between components and improving air flow rate, which can solve the problem to a certain extent, but when it comes to electronic devices with large heat generation and small size, such as the laser oral cavity treatment appearance mentioned in the technical solution, due to the working mode and design requirements, it is impossible to dissipate heat based on the existing passive cooling method. How to quickly cool the above-mentioned electronic devices is still a problem to be solved in the industry. SUMMARY

[0005] The technical problem to be solved by the utility model lies in that, in view of the above defects of the prior art, an oral cavity treatment appearance laser cavity cooling device is provided, liquid cooling pipelines are built based on a first fixed pipeline and a second fixed pipeline, heat is continuously absorbed and taken away through liquid circulation, and the normal operation of the oral cavity treatment appearance can be effectively ensured.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows:

[0007] An oral cavity treatment appearance laser cavity cooling device comprises:

[0008] A front internal support assembly is provided with a crystal front end fixed through hole and a flash lamp front end fixed through hole, and a cooling liquid flow connection hole is arranged between the crystal front end fixed through hole and the flash lamp front end fixed through hole.

[0009] A rear internal support assembly is provided with a crystal rear end fixing through hole and a flash lamp rear end fixing through hole, and is further provided with a first external connecting pipe and a second external connecting pipe, the first external connecting pipe is in communication with the crystal rear end fixing through hole, and the second external connecting pipe is in communication with the flash lamp rear end fixing through hole;

[0010] A quartz glass tube is in a transparent long strip structure, is provided with a first fixed pipe and a second fixed pipe, the first fixed pipe and the second fixed pipe are circular pipes, and the two ends of the quartz glass tube are respectively abutted on the front internal support assembly and the rear internal support assembly, the two ends of the first fixed pipe are in communication with the crystal front end fixing through hole and the crystal rear end fixing through hole, and the two ends of the second fixed pipe are in communication with the flash lamp front end fixing through hole and the flash lamp rear end fixing through hole.

[0011] A luminescent crystal is fixedly arranged in the first fixed pipe, is in a long strip structure, is provided with a laser working medium, has a total reflection end face at one end, and has a semi-transparent end face at the other end, and a pump flash lamp is fixedly arranged in the second fixed pipe, and a liquid flow gap is formed between the luminescent crystal and the first fixed pipe and between the pump flash lamp and the second fixed pipe.

[0012] Compared with the prior art, the beneficial effects of the technical scheme are that the front internal support assembly and the rear internal support assembly are adaptively modified on the basis of the first fixed pipe and the second fixed pipe, cooperate with the cooling liquid flow connecting hole, the first external connecting pipe and the second external connecting pipe, form a liquid cooling pipe on the original structure, continuously absorb and take away heat through liquid circulation, and can effectively ensure normal operation of the oral treatment instrument.

[0013] Further, the front internal support assembly is provided with a first sleeve, is formed by inward recessing, and is located on the side close to the quartz glass tube.

[0014] The rear internal support assembly is provided with a second sleeve, is formed by inward recessing, and is located on the side close to the quartz glass tube.

[0015] One end of the quartz glass tube is sleeved in the first sleeve and then abutted on the front internal support assembly, and the other end of the quartz glass tube is sleeved in the second sleeve and then abutted on the rear internal support assembly.

[0016] The quartz glass tube is sleeved in the first sleeve and the second sleeve respectively, so that the cooperation between the device structures is more firm.

[0017] Further, the front internal support assembly is provided with a first sun-shaped sealing assembly, and the first sun-shaped sealing assembly is located in the first sleeve; the rear internal support assembly is provided with a second sun-shaped sealing assembly, and the second sun-shaped sealing assembly is located in the second sleeve.

[0018] The first sun-shaped sealing assembly and the second sun-shaped sealing assembly are soft sealing assemblies, one end of the quartz glass tube is abutted to the front internal support assembly through the first sun-shaped sealing assembly, and the other end of the quartz glass tube is abutted to the rear internal support assembly through the second sun-shaped sealing assembly.

[0019] The above scheme has the beneficial effect that the gap between the two ends of the quartz glass tube and the front internal support assembly and the rear internal support assembly is filled with the soft sealing assembly, the gap formed by the cooperation of the hard assemblies is fully blocked, and the sealing performance of the liquid cooling pipeline is better.

[0020] Further, the first sun-shaped sealing assembly and the second sun-shaped sealing assembly are integrally formed silicone sealing assemblies.

[0021] The above scheme has the beneficial effect that the silicone sealing assembly is simple to manufacture, stable in performance, and reasonable in cost.

[0022] Further, the front internal support assembly is formed with a first sun-shaped recess by being inwardly recessed, the rear internal support assembly is formed with a second sun-shaped recess by being inwardly recessed, the first sun-shaped sealing assembly is nested in the first sun-shaped recess, and the second sun-shaped sealing assembly is nested in the second sun-shaped recess.

[0023] The above scheme has the beneficial effect that the first sun-shaped recess and the second sun-shaped recess are formed by being inwardly recessed, the first sun-shaped sealing assembly and the second sun-shaped sealing assembly are respectively nested in the first sun-shaped recess and the second sun-shaped recess, which can ensure that the first sun-shaped sealing assembly and the second sun-shaped sealing assembly do not shift during assembly, and can avoid that the first sun-shaped sealing assembly and the second sun-shaped sealing assembly damage the sealing performance of the device due to their own volume.

[0024] Further, a plurality of gasket pressing members are arranged on the front internal support assembly and the rear internal support assembly, the crystal front end fixing through hole, the flash lamp front end fixing through hole, the crystal rear end fixing through hole and the flash lamp rear end fixing through hole are provided with gasket fixing sleeves in the respective through hole bodies, the gasket fixing sleeves are provided with support member sealing rings, the support member sealing rings are sleeved on the luminescent crystal or the pumping flash lamp, and the gasket pressing members press the support member sealing rings in the gasket fixing sleeves.

[0025] The above scheme has the beneficial effect that the support member sealing rings are arranged on the crystal front end fixing through hole, the flash lamp front end fixing through hole, the crystal rear end fixing through hole and the flash lamp rear end fixing through hole through the gasket fixing sleeves, and the sealing performance of the device is improved by deforming the support member sealing rings through the gasket pressing members.

[0026] Further, the gasket pressing member comprises a pressing sleeve, a first fixing ear and a second fixing ear, and the first fixing ear and the second fixing ear are fixedly arranged on the two sides of the pressing sleeve.

[0027] On the front internal support assembly, the gasket pressing member is fixed on the front internal support assembly through the pressing member bolts penetrating the first fixing ear and the second fixing ear, and the pressing sleeve presses the support member sealing ring in the gasket fixing sleeve on the front internal support assembly; on the rear internal support assembly, the gasket pressing member is fixed on the rear internal support assembly through the pressing member bolts penetrating the first fixing ear and the second fixing ear, and the pressing sleeve presses the support member sealing ring in the gasket fixing sleeve on the rear internal support assembly.

[0028] The above scheme has the beneficial effect that the pressing sleeve is fixed through the first fixing ear and the second fixing ear to better press the support member sealing ring and improve the sealing performance of the device.

[0029] Further, the first external connecting pipe and the crystal rear end fixing through hole are arranged in parallel but different axes, the first external connecting pipe and the crystal rear end fixing through hole are connected through a first inclined connecting pipeline, and the first inclined connecting pipeline is arranged in the interior of the rear internal support assembly.

[0030] The second external connecting pipe and the flash lamp rear end fixing through hole are arranged in parallel but different axes, the second external connecting pipe and the flash lamp rear end fixing through hole are connected through a second inclined connecting pipeline, and the second inclined connecting pipeline is arranged in the interior of the rear internal support assembly.

[0031] The beneficial effect of the above scheme is that the parallel but different axis structure, the first inclined connecting pipe or the second inclined connecting pipe must be used between the two different pipes, which naturally buffers the liquid cooling pipes and effectively reduces the impact force of the cooling liquid.

[0032] Further, the ends of the first and second outer connecting pipes are respectively provided with a plurality of first and last inclined guide platforms.

[0033] The beneficial effect of the above scheme is that the inclined guide platforms are arranged at the ends of the first and second outer connecting pipes, which facilitates the outer connecting pipes.

[0034] Further, the front and rear internal support assemblies are integrally formed PEEK structures.

[0035] The beneficial effect of the above scheme is that the integrally formed PEEK structure is used as the front and rear internal support assemblies, which has the advantages of high strength, light weight, and good heat insulation performance. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 is the overall schematic view of the laser cavity cooling device of the oral treatment instrument.

[0037] Figure 2 is the exploded schematic view of the laser cavity cooling device of the oral treatment instrument.

[0038] Figure 3 is the schematic view of the front internal support assembly in the laser cavity cooling device of the oral treatment instrument.

[0039] Figure 4 is another schematic view of the front internal support assembly in the laser cavity cooling device of the oral treatment instrument.

[0040] Figure 5 is the schematic view of the rear internal support assembly in the laser cavity cooling device of the oral treatment instrument.

[0041] Figure 6 is another schematic view of the rear internal support assembly in the laser cavity cooling device of the oral treatment instrument.

[0042] Figure 7 is the schematic view of the gasket pressing member in the laser cavity cooling device of the oral treatment instrument.

[0043] In the figure, the components represented by each reference numeral are listed as follows:

[0044] The front internal support assembly 1, the rear internal support assembly 2, the quartz glass tube 3, the luminescent crystal 4, the pump flash lamp 5, and the gasket pressing member 6.

[0045] crystal front end fixed through hole 101, flash front end fixed through hole 102, first sleeve 103, first herringbone sealing assembly 104, first herringbone groove 105;

[0046] crystal rear end fixed through hole 201, flash rear end fixed through hole 202, first external connecting pipe 203, second external connecting pipe 204, second sleeve 205, second herringbone sealing assembly 206, second herringbone groove 207, inclined guide table 208;

[0047] first fixed pipe 301, second fixed pipe 302;

[0048] crimping sleeve 601, first fixed lug 602, second fixed lug 603. DETAILED DESCRIPTION

[0049] To make the objects, technical solutions and advantages of the present application clearer and more explicit, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and should not be used to limit the present application.

[0050] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and should not be construed or implied that the devices or components referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application. In addition, the terms "first" and "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance.

[0051] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two components. When a component is referred to as "fixed to" or "provided on" another element, it can be directly on another component or there can be a middle component. When a component is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0052] The laser oral treatment instrument uses a high-energy laser beam to treat oral tissues. After laser is generated by a laser generating assembly, the laser is transmitted to a light emitting tip through a light transmission assembly, and after being emitted, the laser can be used for cutting, polishing, sterilization, disinfection and other operations.

[0053] In the field of oral treatment instruments, laser generation needs to excite the working substance in the luminescent crystal by a pump flash lamp, so that the luminescent crystal is excited to radiate laser in multiple directions, and then the laser in each direction is collected by a total reflection light collecting layer and emitted from a single direction. In the above process, whether it is the pump flash lamp or the luminescent crystal that generates laser, a large amount of heat will be generated. The heat is accumulated in the narrow space inside the laser oral treatment instrument, which greatly affects the reliability and safety of the laser oral treatment instrument.

[0054] In the prior art, in order to solve the heat dissipation problem of general electronic devices, the industry often uses passive cooling methods such as increasing the spacing between components and improving air flow rate, which can solve the problem to a certain extent. However, when encountering electronic devices with large heat generation and small size, such as the laser oral treatment instrument mentioned in the technical solution, due to the working mode and design requirements, it is impossible to dissipate heat based on the existing passive cooling method. How to quickly cool the above electronic devices is still a problem to be solved in the industry.

[0055] As shown in Figure 1 and Figure 2 , in order to solve the above problems, the utility model provides a kind of oral treatment instrument laser cavity cooling device, including front inside support component 1, rear inside support component 2, quartz glass tube 3, luminescent crystal 4 and pump flash lamp 5. In the technical solution, front inside support component 1 and rear inside support component 2 mainly play the role of structural support, and quartz glass tube 3, luminescent crystal 4, pump flash lamp 5 and other components are directly or indirectly arranged on front inside support component 1 and rear inside support component 2. One of the functions of quartz glass tube 3 is to fix and install quartz glass tube 3 and luminescent crystal 4, and the other function is to provide a basic pipeline for forming a liquid cooling pipeline. The function of luminescent crystal 4 and pump flash lamp 5 is to cooperate with each other to generate laser. In the technical solution, laser can be generated based on the structure in the prior art, and the technical solution does not make any improvement on the principle of laser generation.

[0056] On the front internal support assembly 1 and the rear internal support assembly 2, the front internal support assembly 1 is provided with a crystal front end fixing through hole 101 and a flash front end fixing through hole 102, and a cooling liquid flow connection hole is arranged between the crystal front end fixing through hole 101 and the flash front end fixing through hole 102. The rear internal support assembly 2 is provided with a crystal rear end fixing through hole 201 and a flash rear end fixing through hole 202, and the rear internal support assembly 2 is further provided with a first external connecting pipe 203 and a second external connecting pipe 204, the first external connecting pipe 203 communicates with the crystal rear end fixing through hole 201, and the second external connecting pipe 204 communicates with the flash rear end fixing through hole 202.

[0057] On the quartz glass tube 3, the quartz glass tube 3 is a transparent long strip structure, the quartz glass tube 3 is provided with a first fixed pipe 301 and a second fixed pipe 302, the first fixed pipe 301 and the second fixed pipe 302 are circular pipes, and the two ends of the quartz glass tube 3 abut on the front internal support assembly 1 and the rear internal support assembly 2 respectively, the two ends of the first fixed pipe 301 communicate with the crystal front end fixing through hole 101 and the crystal rear end fixing through hole 201 respectively, and the two ends of the second fixed pipe 302 communicate with the flash front end fixing through hole 102 and the flash rear end fixing through hole 202 respectively.

[0058] The luminescent crystal 4 is fixedly arranged in the first fixed pipe 301, the luminescent crystal 4 is a long strip structure, the luminescent crystal 4 is provided with a laser working medium, one end of the luminescent crystal 4 is provided with a total reflection end face, the other end of the luminescent crystal 4 is provided with a semi-transparent end face, and the pump flash lamp 5 is fixedly arranged in the second fixed pipe 302; liquid flow gaps are formed between the luminescent crystal 4 and the first fixed pipe 301 and between the pump flash lamp 5 and the second fixed pipe 302.

[0059] Briefly, the luminescent crystal 4 is fixedly arranged in the first fixed pipe 301, and the two ends of the luminescent crystal 4 are fixedly arranged in the crystal front end fixing through hole 101 and the crystal rear end fixing through hole 201 respectively; the pump flash lamp 5 is fixedly arranged in the second fixed pipe 302, and the two ends of the pump flash lamp 5 are fixedly arranged in the flash front end fixing through hole 102 and the flash rear end fixing through hole 202 respectively.

[0060] The liquid cooling pipe is formed from the first external pipe 203, the crystal rear-end fixed through hole 201, the first fixed pipe 301, the crystal front-end fixed through hole 101, the cooling liquid flow-through connecting hole, the flash lamp rear-end fixed through hole 202, the second fixed pipe 302, the flash lamp front-end fixed through hole 102 and the second external pipe 204 in sequence, and the liquid cooling pipe is a U-shaped pipe.

[0061] In the working process, the light-emitting crystal 4 and the pumping flash lamp 5 cooperate to generate laser and inevitably generate heat, the liquid cooling pipe is connected with the external cooling liquid through the first external pipe 203 and the second external pipe 204, the cooling liquid can enter the liquid cooling pipe through the first external pipe 203 and then be discharged from the second external pipe 204, or the cooling liquid can enter the liquid cooling pipe through the second external pipe 204 and then be discharged from the first external pipe 203, and when the cooling liquid flows through the first fixed pipe 301 and the second fixed pipe 302, the cooling liquid fully and comprehensively contacts the light-emitting crystal 4 and the pumping flash lamp 5, thereby cooling the two.

[0062] Based on the above structure, the front internal support assembly 1 and the rear internal support assembly 2 are adaptively modified on the basis of the first fixed pipe 301 and the second fixed pipe 302, cooperate with the cooling liquid flow-through connecting hole, the first external pipe 203 and the second external pipe 204 and the like, form the liquid cooling pipe on the original structure, continuously absorb and take away the heat through the liquid circulation, and can effectively ensure the normal operation of the oral treatment instrument.

[0063] As shown in Figure 3 and Figure 4 , preferably, the front internal support assembly 1 is provided with a first socket 103, the front internal support assembly 1 forms the first socket 103 by being inwardly recessed, and the first socket 103 is located on the side close to the quartz glass tube 3. Figure 5 and Figure 6 , preferably, the rear internal support assembly 2 is provided with a second socket 205, the rear internal support assembly 2 forms the second socket 205 by being inwardly recessed, and the second socket 205 is located on the side close to the quartz glass tube 3.

[0064] One end of the quartz glass tube 3 is sleeved in the first socket 103 and abuts against the front internal support assembly 1, and the other end of the quartz glass tube 3 is sleeved in the second socket 205 and abuts against the rear internal support assembly 2. The two ends of the quartz glass tube 3 are respectively sleeved in the first socket 103 and the second socket 205, so that the cooperation between the structures of the device is more firm.

[0065] As shown in Figure 2As shown, the front internal support assembly 1 is provided with a first herringbone-shaped sealing assembly 104 located in the first sleeve 103; the rear internal support assembly 2 is provided with a second herringbone-shaped sealing assembly 206 located in the second sleeve 205; one end of the quartz glass tube 3 abuts against the front internal support assembly 1 through the first herringbone-shaped sealing assembly 104, and the other end of the quartz glass tube 3 abuts against the rear internal support assembly 2 through the second herringbone-shaped sealing assembly 206.

[0066] Briefly, the first herringbone-shaped sealing assembly 104 is arranged between one end of the quartz glass tube 3 and the front internal support assembly 1, and the gap between the quartz glass tube 3 and the front internal support assembly 1 is filled through the first herringbone-shaped sealing assembly 104; the second herringbone-shaped sealing assembly 206 is arranged between the other end of the quartz glass tube 3 and the rear internal support assembly 2, and the gap between the quartz glass tube 3 and the rear internal support assembly 2 is filled through the second herringbone-shaped sealing assembly 206.

[0067] Based on the above structure, the gap between the two ends of the quartz glass tube 3 and the front internal support assembly 1 and the rear internal support assembly 2 is filled with soft sealing assemblies, and the gap formed by the cooperation of the hard assemblies is fully blocked, so that the sealing performance of the liquid cooling pipeline is better.

[0068] Preferably, the first herringbone-shaped sealing assembly 104 and the second herringbone-shaped sealing assembly 206 are integrally formed silicone sealing assemblies. The first herringbone-shaped sealing assembly 104 and the second herringbone-shaped sealing assembly 206 have the same structure, which includes an oval sealing ring and a sealing horizontal strip, the two ends of the sealing horizontal strip are integrally formed on the oval sealing ring to form the first herringbone-shaped sealing assembly 104 or the second herringbone-shaped sealing assembly 206. Two through holes are formed on the first herringbone-shaped sealing assembly 104 and the second herringbone-shaped sealing assembly 206 respectively, and the light emitting crystal 4 and the pump flash lamp 5 pass through the two through holes respectively. Based on the use of silicone sealing assemblies, it has the advantages of simple production, stable performance and reasonable cost.

[0069] As shown in Figure 3 , Figure 4 , Figure 5 and Figure 6 , the first herringbone-shaped recess 105 is formed by inward recessing on the front internal support assembly 1, the second herringbone-shaped recess 207 is formed by inward recessing on the rear internal support assembly 2, the first herringbone-shaped sealing assembly 104 is nested in the first herringbone-shaped recess 105, and the second herringbone-shaped sealing assembly 206 is nested in the second herringbone-shaped recess 207.

[0070] On the front inner support assembly 1 and the rear inner support assembly 2, the first and second herringbone-shaped grooves 105 and 207 are formed by inward recessing, and the first and second herringbone-shaped sealing assemblies 104 and 206 are respectively nested in the first and second herringbone-shaped grooves 105 and 207, which can ensure that the first and second herringbone-shaped sealing assemblies 104 and 206 will not be misaligned during assembly, and at the same time avoid the first and second herringbone-shaped sealing assemblies 104 and 206 from damaging the sealing performance of the device due to their own volume.

[0071] As shown in Figure 2 and Figure 7 , the front inner support assembly 1 and the rear inner support assembly 2 are provided with a plurality of gasket press-fit members 6, and the crystal front end fixing through hole 101, the flash lamp front end fixing through hole 102, the crystal rear end fixing through hole 201 and the flash lamp rear end fixing through hole 202 are provided with gasket fixing sleeves in the respective through hole bodies, and the support member sealing ring is provided in the gasket fixing sleeve, the support member sealing ring is sleeved on the light emitting crystal 4 or the pumping flash lamp 5, and the gasket press-fit member 6 press-fits the support member sealing ring in the gasket fixing sleeve.

[0072] The gasket fixing sleeves are provided on the crystal front end fixing through hole 101, the flash lamp front end fixing through hole 102, the crystal rear end fixing through hole 201 and the flash lamp rear end fixing through hole 202, and the through hole bodies on the crystal front end fixing through hole 101, the flash lamp front end fixing through hole 102, the crystal rear end fixing through hole 201 and the flash lamp rear end fixing through hole 202 are coaxially provided with cylindrical structures corresponding to the respective gasket fixing sleeves, and the end of the through hole body is recessed inward, that is, the gasket fixing sleeve is formed, so as to facilitate the clamping and fixing of the support member sealing ring.

[0073] During assembly, the two ends of the light emitting crystal 4 are respectively inserted through the crystal front end fixing through hole 101 and the crystal rear end fixing through hole 201, and the two ends of the pumping flash lamp 5 are respectively inserted through the flash lamp front end fixing through hole 102 and the flash lamp rear end fixing through hole 202, and then the support member sealing ring is sleeved on the two ends of the light emitting crystal 4 and the two ends of the pumping flash lamp 5, and finally the gasket press-fit member 6 is assembled, and the support member sealing ring will be deformed after being extruded by the gasket press-fit member 6, and will be filled between the light emitting crystal 4 and the through hole at both ends, and the pumping flash lamp 5 and the through hole at both ends, so as to realize the technical effect of both installing and fixing the light emitting crystal 4 and the pumping flash lamp 5, and ensuring the sealing performance of the laser cavity support cylinder.

[0074] Therefore, based on the above structure, the support sealing ring is arranged on the through hole which must be opened, such as the crystal front end fixed through hole 101, the flashlight front end fixed through hole 102, the crystal rear end fixed through hole 201 and the flashlight rear end fixed through hole 202, through the gasket fixed sleeve, and the support sealing ring is deformed by the gasket compression piece 6 to improve the sealing performance of the device with a simple structure.

[0075] As shown in Figure 7 Preferably, the gasket compression piece 6 includes a compression sleeve 601, a first fixed ear 602 and a second fixed ear 603, and the first fixed ear 602 and the second fixed ear 603 are fixedly arranged on both sides of the compression sleeve 601.

[0076] On the front internal support assembly 1, the gasket compression piece 6 is fixed on the front internal support assembly 1 by the compression piece bolt penetrating the first fixed ear 602 and the second fixed ear 603, and the compression sleeve 601 is compressed in the gasket fixed sleeve on the front internal support assembly 1; on the rear internal support assembly 2, the gasket compression piece 6 is fixed on the rear internal support assembly 2 by the compression piece bolt penetrating the first fixed ear 602 and the second fixed ear 603, and the compression sleeve 601 is compressed in the gasket fixed sleeve on the rear internal support assembly 2.

[0077] On the front internal support assembly 1, the gasket compression piece 6 is fixed on the front internal support assembly 1 by the compression piece bolt penetrating the first fixed ear 602 and the second fixed ear 603, and the compression sleeve 601 is compressed in the gasket fixed sleeve on the front internal support assembly 1; on the rear internal support assembly 2, the gasket compression piece 6 is fixed on the rear internal support assembly 2 by the compression piece bolt penetrating the first fixed ear 602 and the second fixed ear 603, and the compression sleeve 601 is compressed in the gasket fixed sleeve on the rear internal support assembly 2. Based on the above structure, the compression sleeve 601 is fixed by the first fixed ear 602 and the second fixed ear 603 to better compress the support sealing ring and improve the sealing performance of the device.

[0078] Preferably, the first outer connecting pipe 203 and the crystal rear end fixed hole 201 are arranged in parallel but different axes, and the first outer connecting pipe 203 and the crystal rear end fixed hole 201 are connected through a first inclined connecting pipe arranged in the interior of the rear internal support assembly 2; correspondingly, the second outer connecting pipe 204 and the flash lamp rear end fixed hole 202 are arranged in parallel but different axes, and the second outer connecting pipe 204 and the flash lamp rear end fixed hole 202 are connected through a second inclined connecting pipe arranged in the interior of the rear internal support assembly 2.

[0079] Based on the above structure, the parallel but different axis structure, the two different pipes must be connected through the first inclined connecting pipe or the second inclined connecting pipe, which naturally plays a buffering role between the liquid cooling pipes and effectively reduces the impact force of the cooling liquid.

[0080] As shown in Figure 1 and Figure 2 Preferably, the end of the first outer connecting pipe 203 and the second outer connecting pipe 204 is respectively provided with a plurality of first and last inclined guide platforms 208. The inclined guide platform 208 is arranged at the end of the first outer connecting pipe 203 and the second outer connecting pipe 204, which facilitates the introduction or introduction of the cooling liquid through the outer connecting pipe.

[0081] Preferably, the front internal support assembly 1 and the rear internal support assembly 2 are integrally formed PEEK structures. The integrally formed PEEK structure is adopted as the front internal support assembly 1 and the rear internal support assembly 2, which has the advantages of high strength, light weight and good heat insulation performance.

[0082] It should be understood that the application of the utility model is not limited to the above examples, and those skilled in the art can improve or transform according to the above description, and all these improvements and transformations should belong to the protection scope of the claims of the utility model.

Claims

1. A laser cavity cooling device for an oral treatment instrument, characterized in that, include: A front internal support assembly is provided with a crystal front end fixing through hole and a flash lamp front end fixing through hole, and a coolant flow connection hole is provided between the crystal front end fixing through hole and the flash lamp front end fixing through hole; The rear internal support assembly is provided with a crystal rear end fixing through hole and a flash lamp rear end fixing through hole. The rear internal support assembly is also provided with a first external pipe and a second external pipe. The first external pipe is connected to the crystal rear end fixing through hole, and the second external pipe is connected to the flash lamp rear end fixing through hole. A quartz glass tube, the quartz glass tube being a transparent, elongated structure, with a first fixed conduit and a second fixed conduit disposed inside the quartz glass tube, the first fixed conduit and the second fixed conduit being circular conduits, the two ends of the quartz glass tube respectively abutting against the front internal support assembly and the rear internal support assembly, the two ends of the first fixed conduit being respectively connected to the front fixed through hole of the crystal and the rear fixed through hole of the crystal, and the two ends of the second fixed conduit being respectively connected to the front fixed through hole of the flash lamp and the rear fixed through hole of the flash lamp; The system includes a light-emitting crystal and a pump flash lamp. The light-emitting crystal is fixedly disposed within the first fixed conduit. The light-emitting crystal has an elongated structure and contains a laser working medium. One end of the light-emitting crystal has a total internal reflection end face, and the other end has a semi-transparent end face. The pump flash lamp is fixedly disposed within the second fixed conduit. Liquid flow gaps are formed between the light-emitting crystal and the first fixed conduit, and between the pump flash lamp and the second fixed conduit.

2. The laser cavity cooling device for an oral treatment instrument according to claim 1, characterized in that, The front internal support assembly is provided with a first sleeve, which is formed by the front internal support assembly being recessed inward, and the first sleeve is located on the side close to the quartz glass tube. The rear internal support assembly is provided with a second sleeve, which is formed by the rear internal support assembly being recessed inward, and the second sleeve is located on the side close to the quartz glass tube. One end of the quartz glass tube is fitted into the first sleeve and then abuts against the front internal support assembly, while the other end of the quartz glass tube is fitted into the second sleeve and then abuts against the rear internal support assembly.

3. The laser cavity cooling device for an oral treatment instrument according to claim 2, characterized in that, The front internal support assembly is provided with a first H-shaped sealing assembly, which is located inside the first sleeve; the rear internal support assembly is provided with a second H-shaped sealing assembly, which is located inside the second sleeve. The first and second H-shaped sealing components are soft sealing components. One end of the quartz glass tube abuts against the front internal support component through the first H-shaped sealing component, and the other end of the quartz glass tube abuts against the rear internal support component through the second H-shaped sealing component.

4. The laser cavity cooling device for an oral treatment instrument according to claim 3, characterized in that, The first and second H-shaped sealing components are integrally molded silicone sealing components.

5. The laser cavity cooling device for an oral treatment instrument according to claim 3, characterized in that, The front internal support component has a first H-shaped groove formed by inward indentation, and the rear internal support component has a second H-shaped groove formed by inward indentation. The first H-shaped sealing component is nested in the first H-shaped groove, and the second H-shaped sealing component is nested in the second H-shaped groove.

6. The laser cavity cooling device for an oral treatment instrument according to claim 1, characterized in that, Multiple gasket pressing components are provided on the front internal support assembly and the rear internal support assembly. Gasket fixing sleeves are provided in the respective through-hole bodies of the crystal front-end fixing through-hole, the flash lamp front-end fixing through-hole, the crystal rear-end fixing through-hole, and the flash lamp rear-end fixing through-hole. A support member sealing ring is provided in the gasket fixing sleeve. The support member sealing ring is sleeved on the light-emitting crystal or the pump flash lamp. The gasket pressing components press the support member sealing ring into the gasket fixing sleeve.

7. The laser cavity cooling device for an oral treatment instrument according to claim 6, characterized in that, The gasket crimping component includes a crimping sleeve, a first fixing lug, and a second fixing lug, wherein the first fixing lug and the second fixing lug are fixedly disposed on both sides of the crimping sleeve; On the front internal support assembly, the gasket crimping member is fixed to the front internal support assembly by crimping bolts passing through the first fixing ear and the second fixing ear, and the crimping sleeve crimps the support member sealing ring into the gasket fixing sleeve on the front internal support assembly; on the rear internal support assembly, the gasket crimping member is fixed to the rear internal support assembly by crimping bolts passing through the first fixing ear and the second fixing ear, and the crimping sleeve crimps the support member sealing ring into the gasket fixing sleeve on the rear internal support assembly.

8. The laser cavity cooling device for an oral treatment instrument according to claim 1, characterized in that, The first outer tube and the crystal rear end fixing through hole are parallel to each other but not on the same axis. The first outer tube and the crystal rear end fixing through hole are connected by a first inclined connecting pipe. The first inclined connecting pipe is located inside the rear internal support assembly. The second outer tube and the flash lamp rear end fixing through hole are parallel to each other but not on the same axis. The second outer tube and the flash lamp rear end fixing through hole are connected by a second inclined connecting pipe, which is located inside the rear internal support assembly.

9. A laser cavity cooling device for an oral treatment instrument according to any one of claims 1-8, characterized in that, The ends of the first outer tube and the second outer tube are respectively provided with multiple inclined guide platforms connected end to end.

10. A laser cavity cooling device for an oral treatment instrument according to any one of claims 1-8, characterized in that, Both the front internal support assembly and the rear internal support assembly are integrally formed PEEK structures.

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